MOVE THAT DECIMAL!
Finish this statement: When multiplying decimals, you count to the _____, and move the decimal to the ____ in your answer.
RIGHT
LEFT
How many rules are in Multiplying rational numbers?
There are 2 rules in multiplying rational numbers.
Solve the problem
15 - (-8)
23
-1.6 + (-8)
-2.4
What goes in the blank?
(+) . (+) =
positive +
8.2 X -4
How many decimals?
1
12.80 x 6.3
80.640
Mickey borrwed $75.00 from his grandparents to purchase a season pass to a theme park. After saving up his allowance for one month, he is able to pay them $24.65. How much does Mickey still owe his grandparents?
Mickey owes his grandparents $50.35 because he borrwed $75.00 and he paid $24.65.
6.25 + (-8.50)
-2.25
(+) . (-) =
Negative
-2.333 x 57.9
4
4.5 x 3
13.5
-9.1 - (-3.1)
-6
-54.26 + (-15.42)
-69.68
(-) . (-) =
Positive
-8 divided by -4.222
3
-15.6 x -2
31.2
-20 - 9
-29
-1.5 + -1.5
-3
(-) . (+) =
negative
-536.73 x 70.3 = -37732.119 Where does the decimal go?
-37,732.119
-7/10 x 1/4
7/40
10.8 - (-6.4)
17.2
-6/11 + -3/11
-9/11
What goes in the blank?
When multiplying rational numbers, when signs are the same the answer is ______________.
When multiplying rational numbers, when signs are different the answer is ______________.
Positive
Negative